Fin for a cap



FIG. 1 is a top perspective view of a fin for a cap;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, with the left side elevational view being a mirror image thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top perspective view thereof, shown on a cap;

FIG. 8 is a rear elevational view thereof, shown on a cap;

FIG. 9 is a right side elevational view thereof, shown on a cap; and,

FIG. 10 is a top plan view thereof, shown on a cap.

The hat outlined by broken lines assists to illustrate the fin for a cap in a position of use and forms no part of the claimed design. 

CLAIM The ornamental design for a fin for a cap, as shown and described. 